[INFO] updating cached repository https://github.com/LucioFranco/assets-benchmark
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8262c1864a0bef122cd555f9cde8b6128f93b91f
[INFO] checking LucioFranco/assets-benchmark against try#5e633973aa9255a88b65a39484627bb54e6044b3 for pr-66063
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucioFranco%2Fassets-benchmark" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LucioFranco/assets-benchmark on toolchain 5e633973aa9255a88b65a39484627bb54e6044b3
[INFO] running `"/workspace/cargo-home/bin/cargo" "+5e633973aa9255a88b65a39484627bb54e6044b3" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/LucioFranco/assets-benchmark
[INFO] finished tweaking git repo https://github.com/LucioFranco/assets-benchmark
[INFO] tweaked toml for git repo https://github.com/LucioFranco/assets-benchmark written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/LucioFranco/assets-benchmark already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+5e633973aa9255a88b65a39484627bb54e6044b3" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+5e633973aa9255a88b65a39484627bb54e6044b3" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2265849f18d288317a0a4344b90ff375f30db1b51d3d0c067de325febc927fae
[INFO] running `"docker" "start" "-a" "2265849f18d288317a0a4344b90ff375f30db1b51d3d0c067de325febc927fae"`
[INFO] [stderr]     Checking crossbeam-utils v0.6.2
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking criterion-plot v0.2.5
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.81
[INFO] [stderr]     Checking speedometer v0.2.2
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking tokio-timer v0.2.8
[INFO] [stderr]     Checking csv v1.0.2
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking crossbeam-deque v0.6.2
[INFO] [stderr]     Checking tokio-reactor v0.1.7
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking criterion-stats v0.2.5
[INFO] [stderr]     Checking tokio-threadpool v0.1.9
[INFO] [stderr]     Checking tokio-uds v0.2.4
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking handlebars v0.32.4
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking tokio v0.1.13
[INFO] [stderr]     Checking assets-benchmark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(duration_as_u128)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `assets-benchmark`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "2265849f18d288317a0a4344b90ff375f30db1b51d3d0c067de325febc927fae"`
[INFO] running `"docker" "rm" "-f" "2265849f18d288317a0a4344b90ff375f30db1b51d3d0c067de325febc927fae"`
[INFO] [stdout] 2265849f18d288317a0a4344b90ff375f30db1b51d3d0c067de325febc927fae